Mercurial > hg > truffle
annotate graal/com.oracle.max.base/src/com/sun/max/util/Predicate.java @ 4231:d713eaf4d288
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author | Christian Wimmer <Christian.Wimmer@Oracle.com> |
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date | Thu, 05 Jan 2012 16:09:47 -0800 |
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1 /* |
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2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.sun.max.util; |
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24 |
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25 import com.sun.max.*; |
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26 |
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27 /** |
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28 */ |
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29 public interface Predicate<T> { |
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30 |
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31 boolean evaluate(T object); |
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32 |
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33 public static final class Static { |
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34 private Static() { |
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35 } |
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36 |
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37 private static Predicate<Object> alwaysTrue = new Predicate<Object>() { |
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38 public boolean evaluate(Object object) { |
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39 return true; |
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40 } |
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41 }; |
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43 public static <T> Predicate<T> alwaysTrue() { |
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44 final Class<Predicate<T>> predicateType = null; |
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45 return Utils.cast(predicateType, alwaysTrue); |
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46 } |
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47 } |
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48 |
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49 } |